Windows 10: Win10 Pro product key wont work

Discus and support Win10 Pro product key wont work in Windows 10 Updates and Activation to solve the problem; Hi' all,
Last Year i had problems reinstalling/activating Win10 Pro with my Product key. Eventuially one of the microsoft support team sorted it out...
Discussion in 'Windows 10 Updates and Activation' started by MalcolmClutton, Jul 5, 2019.

Win10 Pro product key wont work

Hi' all,

Last Year i had problems reinstalling/activating Win10 Pro with my Product key. Eventuially one of the microsoft support team sorted it out remotely. He gave me a new Product key.

Recently i have had problems again with Win10 Pro. I have carried out a restore which did not solve the problem. So i downloaded a new iso and installed it. The trouble is neither of the 2 product keys i have, will activate Win 10 Pro.

Its an absolute pain if i have to contact Microsoft support every time i need to re-install windows.

I upgraded from Win7 Pro to Win10 Pro a few years ago. I am now receiving a message in Settings saying that my product key is for Win 10 Home. This is not correct. It is, and always had been, a valid and activated installation of Win10 Pro.

Old computer is running Win7 Pro (SP1) with a Product key I have from a few years ago. The Product is activated already, but I do NOT use this computer at this point, so I didn't worry about using the Product key when moving to the new computer (see below).

New computer is running Win10 Pro, with data and OS migrated from the Old computer, (same Product key as above), then Upgraded to Win10 (without getting a new Product Key).

What I am trying to do now...

I want to upgrade the OLD computer (Win7 Pro) to Windows 10... using a new Product Key I just purchased.

I have tried to do this internally, and also using the ISO burned to a thumb drive. But it does not want to work.

Steps:

Start from USB drive.

Enter New Product Key (or click "I don't have one").

Install initiates and then tells me to restart from Windows and then open the installer again to continue.

At this point, I actually need to Quit the installation to restart the machine.

When restarted, I go to the USB drive and restart/resume the installation process.

I have tried to download and not to download updates, but when the installation fails, I see the message, "Something happened" and "Setup has failed to validate the product key".

NOTE This happens if I enter the NEW Windows 10 Product Key, or if I skip that step (which I assume means that it will use the old Windows 7 Key for the upgrade).

Win10 Pro product key wont work

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